Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) "KAWAKAMI, Satoshi and SAKAO, Masafumi and YAMANAKA, Satoe",Extensions of Hypergroups of Order Two by Locally Compact Abelian Groups,奈良教育大学紀要. 自然科学,0547-2407,奈良教育大学,2010-11-30,59,2,1-6,https://cir.nii.ac.jp/crid/1050282814027107968,